Dne Ne 24. listopadu 15:25:53, Clemens Ladisch napsal(a): > David Kačerek wrote: > > when executing aplay --dump-hw-params it allways kinda freezes > > When you run aplay without a file name, it tries to read audio data > from its standard input. > > > Regards, > Clemens Thanks, it finally showed some HW params, but isn't it weird to require an audio file if I just want to dump parameters of a HW device? But nevermind, the actuall problem now comes up. I wanted to list supported sample frequencies of my sound card and it shows only 2: 44100 96000, even though according to the official card specifications I once read somwhere over the Intel portal it should support more - and it actually does on Windows where I can play almost every imaginable frequency from the range of 44,1 to 192 via ASIO4ALL (which allows for direct access and sends the audio stream straight to the hw without the Windows audio mixer being involved and doing some unneccessary resampling). If I play e.g an 88,2khz track that way it displays an error without playing that file so you can see it uses only the hw capabilities. But I'm telling this because it successfully plays a 192khz soundtrack because the hw obviously supports it as it is being claimed in the official Intel specification after all. But when playing such a file in GNU/Linux through an alsa virtual device which doesn't include dmix or doesn't force resampling any other way I know of - it automatically resamples the 192khz stream to a 96khz one as seen in /proc/asound/card0/pcm0p/sub0/hw_params. It should leave it at 192khz since any other less-than-192khz file I throw at it it leaves at its original sample rate (except the 88,2 one which I've mentioned above and which it resamples to the nearest 96khz which is actually welcomed). So It seems as the alsa driver doesn't use the card full potential IMHO. Maybe a bug or is there some quirk/workaround needed to be set? Thank you very much. ------------------------------------------------------------------------------ Shape the Mobile Experience: Free Subscription Software experts and developers: Be at the forefront of tech innovation. Intel(R) Software Adrenaline delivers strategic insight and game-changing conversations that shape the rapidly evolving mobile landscape. Sign up now. http://pubads.g.doubleclick.net/gampad/clk?id=63431311&iu=/4140/ostg.clktrk _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
